Safelights

Safelights are light sources with limited spectral composition used to provide illumination in a darkroom or some other light sensitive environment. In the typical application, the safelight color is chosen so its spectral density is lowest at the wavelength being avoided. For example, with blue-sensitive film, an amber filter is used. The amber filter only transmits light having wavelengths greater than approximately 550nm, which is the spectral response of blue-sensitive film. This prevents fogging and the exposure of specific light sensitive materials or emulsions.  "Safelight" is defined as the room light illumination that will not fog photographic materials during the time period required for normal handling and processing.

Fluorescent safelights offer a shadow free even illumination over incandescent or other sources, improving the environment of the darkroom, and reducing eye strain. These safelights are engineered and manufactured for consistent, long life.  In the unlikely event of tube breakage, the shield is designed to contain the glass fragments and protect personnel and valuable equipment.

The special polyester filters, coated both sides for safety are enclosed within the polycarbonate sleeve and control the light source to very precise margins, giving maximum illumination levels and a generous safe handling time. The safelight filters have been formulated to exactly match the color sensitivity of the photographic products.